A switch hooked up into a Glock pistol A Glock switch (occasionally called a button or a giggle switch)[1][2][three][4] is a small device which might be attached to your rear of the slide of a Glock handgun, changing the semi-automated pistol into a equipment pistol able to totally automatic hearth. https://ztndz.com/story25020497/everything-about-switch-for-a-gun